Finding the Fourth Proportional to 186,924,497.84, 257,955,168.90 and 103,290,298.88
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Solution
The fourth proportional to 186,924,497.84, 257,955,168.90 and 103,290,298.88 is: 142,540,259.84
Step by Step Solution
- Step 1: Write the proportion equation
186,924,497.84 : 257,955,168.90 = 103,290,298.88 : x - Step 2: Convert to fraction form
186,924,497.84/257,955,168.90 = 103,290,298.88/x - Step 3: Cross multiply
186,924,497.84x = 257,955,168.90 × 103,290,298.88 - Step 4: Simplify right side
186,924,497.84x = 26,644,266,493,321,880 - Step 5: Solve for x
x = 26,644,266,493,321,880/186,924,497.84 - Step 6: Final answer
x = 142,540,259.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.